... Free samples Hebei Borunde Building Materials Co.,Ltd1.rockwool board2.heat and sound insulation3.rock wool ... .1~54.option aluminum foil5.CE,SGS appr.Rockwool insulationRock wool, also known as rock wool, ... with metal mesh (single side, double sides), fiberglass cloth (single side, double sides, six sides), fiberglass ... be sticked on to glass cloth or aluminum foil rockwool panel insulation system